Merge pull request #5 from teyrana/massfix
MassCalculator bug fix branch
This commit is contained in:
kruland2607
commit
a2bec89054
@ -373,19 +373,27 @@ public class MassCalculator implements Monitorable {
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private MassData calculateAssemblyMassData(RocketComponent component, String indent) {
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Coordinate parentCM = component.getComponentCG();
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double parentIx = component.getRotationalUnitInertia() * parentCM.weight;
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double parentIt = component.getLongitudinalUnitInertia() * parentCM.weight;
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MassData parentData = new MassData( parentCM, parentIx, parentIt);
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Coordinate compCM = component.getComponentCG();
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double compIx = component.getRotationalUnitInertia() * compCM.weight;
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double compIt = component.getLongitudinalUnitInertia() * compCM.weight;
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if (!component.getOverrideSubcomponents()) {
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if (component.isMassOverridden())
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parentCM = parentCM.setWeight(MathUtil.max(component.getOverrideMass(), MIN_MASS));
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compCM = compCM.setWeight(MathUtil.max(component.getOverrideMass(), MIN_MASS));
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if (component.isCGOverridden())
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parentCM = parentCM.setXYZ(component.getOverrideCG());
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compCM = compCM.setXYZ(component.getOverrideCG());
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}
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if(( debug) &&( 0 < component.getChildCount()) && (MIN_MASS < parentCM.weight)){
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System.err.println(String.format("%-32s: %s ",indent+">>["+ component.getName()+"]", parentData.toDebug() ));
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// default if not instanced (instance count == 1)
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MassData resultantData = new MassData( compCM, compIx, compIt);
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if( debug && (MIN_MASS < compCM.weight)){
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System.err.println(String.format("%-32s: %s ",indent+"ea["+ component.getName()+"]", compCM ));
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if( component.isMassOverridden() && component.isMassOverridden() && component.getOverrideSubcomponents()){
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System.err.println(indent+" ?["+ component.isMassOverridden()+"]["+
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component.isMassOverridden()+"]["+
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component.getOverrideSubcomponents()+"]");
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}
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}
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MassData childrenData = MassData.ZERO_DATA;
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@ -401,50 +409,40 @@ public class MassCalculator implements Monitorable {
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childrenData = childrenData.add( childData );
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}
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resultantData = resultantData.add( childrenData);
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MassData resultantData = parentData; // default if not instanced
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// compensate for component-instancing propogating to children's data
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int instanceCount = component.getInstanceCount();
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boolean hasChildren = ( 0 < component.getChildCount());
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if (( 1 < instanceCount )&&( hasChildren )){
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// if(( debug )){
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// System.err.println(String.format("%s Found instanceable with %d children: %s (t= %s)",
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// indent, component.getInstanceCount(), component.getName(), component.getClass().getSimpleName() ));
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// }
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// if instanced, adjust children's data too.
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if ( 1 < component.getInstanceCount() ){
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if( debug ){
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System.err.println(String.format("%s Found instanceable with %d children: %s (t= %s)",
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indent, component.getInstanceCount(), component.getName(), component.getClass().getSimpleName() ));
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}
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final double curIxx = childrenData.getIxx(); // MOI about x-axis
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final double curIyy = childrenData.getIyy(); // MOI about y axis
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final double curIzz = childrenData.getIzz(); // MOI about z axis
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Coordinate eachCM = childrenData.cm;
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Coordinate templateCM = resultantData.cm;
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MassData instAccumData = new MassData(); // accumulator for instance MassData
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Coordinate[] instanceLocations = ((Instanceable) component).getInstanceOffsets();
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for( Coordinate curOffset : instanceLocations ){
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// if( debug){
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// //System.err.println(String.format("%-32s: %s", indent+" inst Accum", instAccumData.toCMDebug() ));
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// System.err.println(String.format("%-32s: %s", indent+" inst Accum", instAccumData.toDebug() ));
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// }
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Coordinate instanceCM = curOffset.add(eachCM);
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Coordinate instanceCM = curOffset.add(templateCM);
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MassData instanceData = new MassData( instanceCM, curIxx, curIyy, curIzz);
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// 3) Project the template data to the new CM
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// and add to the total
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instAccumData = instAccumData.add( instanceData);
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}
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childrenData = instAccumData;
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resultantData = instAccumData;
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if( debug && (MIN_MASS < compCM.weight)){
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System.err.println(String.format("%-32s: %s ", indent+"x"+component.getInstanceCount()+"["+component.getName()+"][asbly]", resultantData.toDebug()));
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}
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}
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// combine the parent's and children's data
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resultantData = parentData.add( childrenData);
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if( debug){
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System.err.println(String.format("%-32s: %s ", indent+"<==>["+component.getName()+"][asbly]", resultantData.toDebug()));
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}
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// move to parent's reference point
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resultantData = resultantData.move( component.getOffset() );
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if( component instanceof ParallelStage ){
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@ -100,20 +100,19 @@ public class FlightConfiguration implements FlightConfigurableParameter<FlightCo
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public void clearAllStages() {
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this.setAllStages(false, true);
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this._setAllStages(false);
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this.updateMotors();
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}
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public void setAllStages() {
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this.setAllStages(true, true);
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this._setAllStages(true);
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this.updateMotors();
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}
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private void setAllStages(final boolean _active, final boolean updateRequired ) {
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private void _setAllStages(final boolean _active) {
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for (StageFlags cur : stages.values()) {
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cur.active = _active;
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}
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if( updateRequired ){
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update();
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}
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}
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/**
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@ -122,7 +121,7 @@ public class FlightConfiguration implements FlightConfigurableParameter<FlightCo
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* @param stageNumber stage number to inactivate
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*/
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public void clearStage(final int stageNumber) {
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setStageActive( stageNumber, false );
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_setStageActive( stageNumber, false );
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}
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/**
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@ -131,8 +130,9 @@ public class FlightConfiguration implements FlightConfigurableParameter<FlightCo
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* @param stageNumber stage number to activate
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*/
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public void setOnlyStage(final int stageNumber) {
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setAllStages(false, false);
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setStageActive(stageNumber, true);
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_setAllStages(false);
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_setStageActive(stageNumber, true);
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updateMotors();
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}
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/**
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@ -141,7 +141,7 @@ public class FlightConfiguration implements FlightConfigurableParameter<FlightCo
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* @param stageNumber stage number to flag
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* @param _active inactive (<code>false</code>) or active (<code>true</code>)
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*/
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private void setStageActive(final int stageNumber, final boolean _active ) {
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private void _setStageActive(final int stageNumber, final boolean _active ) {
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if ((0 <= stageNumber) && (stages.containsKey(stageNumber))) {
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stages.get(stageNumber).active = _active;
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return;
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@ -156,6 +156,7 @@ public class FlightConfiguration implements FlightConfigurableParameter<FlightCo
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flags.active = !flags.active;
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return;
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}
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this.updateMotors();
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log.error("error: attempt to retrieve via a bad stage number: " + stageNumber);
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}
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@ -517,6 +517,7 @@ public class TestRockets {
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bodytube.setMaterial(material);
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finset.setMaterial(material);
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rocket.setSelectedConfiguration( rocket.getFlightConfiguration( fcid[0]));
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rocket.getSelectedConfiguration().setAllStages();
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rocket.enableEvents();
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return rocket;
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@ -1162,6 +1163,7 @@ public class TestRockets {
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}
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rocket.enableEvents();
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rocket.setSelectedConfiguration(config);
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config.setAllStages();
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return rocket;
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@ -7,21 +7,30 @@ import org.junit.Test;
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import net.sf.openrocket.masscalc.MassCalculator.MassCalcType;
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import net.sf.openrocket.motor.Motor;
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import net.sf.openrocket.rocketcomponent.BodyTube;
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import net.sf.openrocket.rocketcomponent.FlightConfiguration;
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import net.sf.openrocket.rocketcomponent.InnerTube;
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import net.sf.openrocket.rocketcomponent.NoseCone;
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import net.sf.openrocket.rocketcomponent.ParallelStage;
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import net.sf.openrocket.rocketcomponent.Rocket;
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import net.sf.openrocket.rocketcomponent.RocketComponent;
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import net.sf.openrocket.util.Coordinate;
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import net.sf.openrocket.util.MathUtil;
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import net.sf.openrocket.util.TestRockets;
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import net.sf.openrocket.util.BaseTestCase.BaseTestCase;
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public class MassCalculatorTest extends BaseTestCase {
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// tolerance for compared double test results
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protected final double EPSILON = MathUtil.EPSILON;
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protected final double EPSILON = 0.000001;
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private final double BOOSTER_NOSE_MASS_EA = 0.0222459863653;
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private final double BOOSTER_BODY_MASS_EA = 0.129886006;
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private final double BOOSTER_MMT_MASS_EA = 0.01890610458;
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private final double BOOSTER_TOTAL_DRY_MASS_EACH = 0.4555128227852;
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private final double BOOSTER_TOTAL_DRY_CMX = 1.246297525;
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private final double G77_MASS_LAUNCH = 0.123;
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@Test
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public void testRocketNoMotors() {
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Rocket rkt = TestRockets.makeNoMotorRocket();
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@ -52,7 +61,7 @@ public class MassCalculatorTest extends BaseTestCase {
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}
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@Test
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public void testTestComponentMasses() {
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public void testComponentMasses() {
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Rocket rkt = TestRockets.makeFalcon9Heavy();
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rkt.setName("TestRocket."+Thread.currentThread().getStackTrace()[1].getMethodName());
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@ -119,25 +128,26 @@ public class MassCalculatorTest extends BaseTestCase {
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// ====== ====== ======
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ParallelStage boosters = (ParallelStage) rkt.getChild(1).getChild(1);
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{
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expMass = 0.01530561538;
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cc= boosters.getChild(0);
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compMass = cc.getComponentMass();
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assertEquals(cc.getName()+" mass calculated incorrectly: ", expMass, compMass, EPSILON);
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expMass = 0.08374229377;
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cc= boosters.getChild(1);
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compMass = cc.getComponentMass();
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assertEquals(cc.getName()+" mass calculated incorrectly: ", expMass, compMass, EPSILON);
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expMass = 0.018906104589303415;
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cc= boosters.getChild(1).getChild(0);
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compMass = cc.getComponentMass();
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assertEquals(cc.getName()+" mass calculated incorrectly: ", expMass, compMass, EPSILON);
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expMass = BOOSTER_NOSE_MASS_EA;
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// think of the casts as an assert that ( child instanceof NoseCone) == true
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NoseCone nose = (NoseCone) boosters.getChild(0);
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compMass = nose.getComponentMass();
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assertEquals( nose.getName()+" mass calculated incorrectly: ", expMass, compMass, EPSILON);
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expMass = BOOSTER_BODY_MASS_EA;
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BodyTube body = (BodyTube) boosters.getChild(1);
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compMass = body.getComponentMass();
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assertEquals( body.getName()+" mass calculated incorrectly: ", expMass, compMass, EPSILON);
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expMass = BOOSTER_MMT_MASS_EA;
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InnerTube mmt = (InnerTube)boosters.getChild(1).getChild(0);
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compMass = mmt.getComponentMass();
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assertEquals( mmt.getName()+" mass calculated incorrectly: ", expMass, compMass, EPSILON);
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}
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}
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@Test
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public void testTestComponentMOIs() {
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public void testComponentMOIs() {
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Rocket rkt = TestRockets.makeFalcon9Heavy();
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rkt.setName("TestRocket."+Thread.currentThread().getStackTrace()[1].getMethodName());
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@ -233,18 +243,18 @@ public class MassCalculatorTest extends BaseTestCase {
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ParallelStage boosters = (ParallelStage) rkt.getChild(1).getChild(1);
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{
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cc= boosters.getChild(0);
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expInertia = 5.20107e-6;
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expInertia = 1.82665797857e-5;
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compInertia = cc.getRotationalInertia();
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assertEquals(cc.getName()+" Rotational MOI calculated incorrectly: ", expInertia, compInertia, EPSILON);
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expInertia = 0;
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expInertia = 1.96501191666e-7;
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compInertia = cc.getLongitudinalInertia();
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assertEquals(cc.getName()+" Longitudinal MOI calculated incorrectly: ", expInertia, compInertia, EPSILON);
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cc= boosters.getChild(1);
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expInertia = 5.02872e-5;
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expInertia = 1.875878651e-4;
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compInertia = cc.getRotationalInertia();
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assertEquals(cc.getName()+" Rotational MOI calculated incorrectly: ", expInertia, compInertia, EPSILON);
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expInertia = 0.00449140;
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expInertia = 0.00702104762;
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compInertia = cc.getLongitudinalInertia();
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assertEquals(cc.getName()+" Longitudinal MOI calculated incorrectly: ", expInertia, compInertia, EPSILON);
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@ -258,24 +268,21 @@ public class MassCalculatorTest extends BaseTestCase {
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}
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}
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@Test
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public void testTestBoosterStructureCM() {
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public void testBoosterStructureCM() {
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Rocket rocket = TestRockets.makeFalcon9Heavy();
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rocket.setName("TestRocket."+Thread.currentThread().getStackTrace()[1].getMethodName());
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ParallelStage boosters = (ParallelStage) rocket.getChild(1).getChild(1);
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int boostNum = boosters.getStageNumber();
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rocket.getSelectedConfiguration().clearAllStages();
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rocket.getSelectedConfiguration().setOnlyStage( boostNum);
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// String treeDump = rocket.toDebugTree();
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// System.err.println( treeDump);
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// Validate Boosters
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MassCalculator mc = new MassCalculator();
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Coordinate boosterSetCM = mc.getCM( rocket.getSelectedConfiguration(), MassCalcType.NO_MOTORS);
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double expMass = 0.23590802751203407;
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double expCMx = 0.9615865040919498;
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double expMass = BOOSTER_TOTAL_DRY_MASS_EACH;
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double expCMx = BOOSTER_TOTAL_DRY_CMX;
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double calcMass = boosterSetCM.weight;
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assertEquals(" Delta Heavy Booster Mass is incorrect: ", expMass, calcMass, EPSILON);
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@ -295,8 +302,8 @@ public class MassCalculatorTest extends BaseTestCase {
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Motor activeMotor = mmt.getMotorInstance( rocket.getSelectedConfiguration().getId()).getMotor();
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String desig = activeMotor.getDesignation();
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double expLaunchMass = 0.0227; // kg
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double expSpentMass = 0.0102; // kg
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double expLaunchMass = 0.0164; // kg
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double expSpentMass = 0.0131; // kg
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assertEquals(" Motor Mass "+desig+" is incorrect: ", expLaunchMass, activeMotor.getLaunchCG().weight, EPSILON);
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assertEquals(" Motor Mass "+desig+" is incorrect: ", expSpentMass, activeMotor.getEmptyCG().weight, EPSILON);
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@ -314,7 +321,8 @@ public class MassCalculatorTest extends BaseTestCase {
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Rocket rocket = TestRockets.makeFalcon9Heavy();
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ParallelStage boosters = (ParallelStage) rocket.getChild(1).getChild(1);
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int boostNum = boosters.getStageNumber();
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rocket.getSelectedConfiguration().setOnlyStage( boostNum);
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FlightConfiguration currentConfig = rocket.getSelectedConfiguration();
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currentConfig.setOnlyStage( boostNum);
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// String treeDump = rocket.toDebugTree();
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// System.err.println( treeDump);
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@ -359,22 +367,19 @@ public class MassCalculatorTest extends BaseTestCase {
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ParallelStage boosters = (ParallelStage) rocket.getChild(1).getChild(1);
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int boostNum = boosters.getStageNumber();
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//rocket.getDefaultConfiguration().setAllStages(false);
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rocket.getSelectedConfiguration().setOnlyStage( boostNum);
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// String treeDump = rocket.toDebugTree();
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// System.err.println( treeDump);
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{
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// Validate Booster Launch Mass
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MassCalculator mc = new MassCalculator();
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//mc.debug = true;
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Coordinate boosterSetCM = mc.getCM( rocket.getSelectedConfiguration(), MassCalcType.LAUNCH_MASS);
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double calcTotalMass = boosterSetCM.weight;
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double expTotalMass = 1.219908027512034;
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double expX = 1.2461238889997992;
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Coordinate expCM = new Coordinate(expX,0,0, expTotalMass);
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double expTotalMass = BOOSTER_TOTAL_DRY_MASS_EACH + 8*G77_MASS_LAUNCH;
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assertEquals(" Booster Launch Mass is incorrect: ", expTotalMass, calcTotalMass, EPSILON);
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double expX = 1.292808951;
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Coordinate expCM = new Coordinate(expX,0,0, expTotalMass);
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assertEquals(" Booster Launch CM.x is incorrect: ", expCM.x, boosterSetCM.x, EPSILON);
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assertEquals(" Booster Launch CM.y is incorrect: ", expCM.y, boosterSetCM.y, EPSILON);
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assertEquals(" Booster Launch CM.z is incorrect: ", expCM.z, boosterSetCM.z, EPSILON);
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@ -387,20 +392,20 @@ public class MassCalculatorTest extends BaseTestCase {
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Coordinate boosterSetCM = mc.getCM( rocket.getSelectedConfiguration(), MassCalcType.BURNOUT_MASS);
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double calcTotalMass = boosterSetCM.weight;
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double expTotalMass = 0.7479080275020341;
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assertEquals(" Booster Launch Mass is incorrect: ", expTotalMass, calcTotalMass, EPSILON);
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double expTotalMass = BOOSTER_TOTAL_DRY_MASS_EACH + 8*0.064;
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assertEquals(" Booster Burnout Mass is incorrect: ", expTotalMass, calcTotalMass, EPSILON);
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double expX = 1.2030731351529202;
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double expX = 1.282305055;
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Coordinate expCM = new Coordinate(expX,0,0, expTotalMass);
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assertEquals(" Booster Launch CM.x is incorrect: ", expCM.x, boosterSetCM.x, EPSILON);
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assertEquals(" Booster Launch CM.y is incorrect: ", expCM.y, boosterSetCM.y, EPSILON);
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assertEquals(" Booster Launch CM.z is incorrect: ", expCM.z, boosterSetCM.z, EPSILON);
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assertEquals(" Booster Launch CM is incorrect: ", expCM, boosterSetCM);
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assertEquals(" Booster Burnout CM.x is incorrect: ", expCM.x, boosterSetCM.x, EPSILON);
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assertEquals(" Booster Burnout CM.y is incorrect: ", expCM.y, boosterSetCM.y, EPSILON);
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assertEquals(" Booster Burnout CM.z is incorrect: ", expCM.z, boosterSetCM.z, EPSILON);
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assertEquals(" Booster Burnout CM is incorrect: ", expCM, boosterSetCM);
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}
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}
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@Test
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public void testTestBoosterStructureMOI() {
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public void testBoosterStructureMOI() {
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Rocket rocket = TestRockets.makeFalcon9Heavy();
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rocket.setName("TestRocket."+Thread.currentThread().getStackTrace()[1].getMethodName());
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FlightConfiguration defaultConfig = rocket.getSelectedConfiguration();
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@ -409,17 +414,14 @@ public class MassCalculatorTest extends BaseTestCase {
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int boostNum = boosters.getStageNumber();
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rocket.getSelectedConfiguration().setOnlyStage( boostNum);
|
||||
// String treeDump = rocket.toDebugTree();
|
||||
// System.err.println( treeDump);
|
||||
|
||||
// Validate Boosters
|
||||
MassCalculator mc = new MassCalculator();
|
||||
//mc.debug = true;
|
||||
double expMOI_axial = .00144619;
|
||||
double expMOI_axial = .00304203;
|
||||
double boosterMOI_xx= mc.getRotationalInertia( defaultConfig, MassCalcType.NO_MOTORS);
|
||||
assertEquals(" Booster x-axis MOI is incorrect: ", expMOI_axial, boosterMOI_xx, EPSILON);
|
||||
|
||||
double expMOI_tr = 0.01845152840733412;
|
||||
double expMOI_tr = 0.129566277;
|
||||
double boosterMOI_tr= mc.getLongitudinalInertia( defaultConfig, MassCalcType.NO_MOTORS);
|
||||
assertEquals(" Booster transverse MOI is incorrect: ", expMOI_tr, boosterMOI_tr, EPSILON);
|
||||
}
|
||||
@ -428,22 +430,19 @@ public class MassCalculatorTest extends BaseTestCase {
|
||||
public void testBoosterTotalMOI() {
|
||||
Rocket rocket = TestRockets.makeFalcon9Heavy();
|
||||
FlightConfiguration defaultConfig = rocket.getSelectedConfiguration();
|
||||
rocket.setName("TestRocket."+Thread.currentThread().getStackTrace()[1].getMethodName());
|
||||
rocket.setName("TestRocket:F9H:Total_MOI");
|
||||
|
||||
ParallelStage boosters = (ParallelStage) rocket.getChild(1).getChild(1);
|
||||
int boostNum = boosters.getStageNumber();
|
||||
|
||||
//rocket.getDefaultConfiguration().setAllStages(false);
|
||||
rocket.getSelectedConfiguration().setOnlyStage( boostNum);
|
||||
//String treeDump = rocket.toDebugTree();
|
||||
//System.err.println( treeDump);
|
||||
|
||||
// Validate Boosters
|
||||
MassCalculator mc = new MassCalculator();
|
||||
final double expMOI_axial = 0.05009613217;//0.00752743;
|
||||
final double expMOI_axial = 0.0516919744;
|
||||
final double boosterMOI_xx= mc.getRotationalInertia( defaultConfig, MassCalcType.LAUNCH_MASS);
|
||||
|
||||
final double expMOI_tr = 0.05263041249; // 0.0436639379937;
|
||||
final double expMOI_tr = 0.141508294;
|
||||
final double boosterMOI_tr= mc.getLongitudinalInertia( defaultConfig, MassCalcType.LAUNCH_MASS);
|
||||
|
||||
assertEquals(" Booster x-axis MOI is incorrect: ", expMOI_axial, boosterMOI_xx, EPSILON);
|
||||
@ -452,7 +451,7 @@ public class MassCalculatorTest extends BaseTestCase {
|
||||
|
||||
|
||||
@Test
|
||||
public void testMassOverride() {
|
||||
public void testStageMassOverride() {
|
||||
Rocket rocket = TestRockets.makeFalcon9Heavy();
|
||||
FlightConfiguration config = rocket.getSelectedConfiguration();
|
||||
rocket.setName("TestRocket."+Thread.currentThread().getStackTrace()[1].getMethodName());
|
||||
@ -461,24 +460,22 @@ public class MassCalculatorTest extends BaseTestCase {
|
||||
int boostNum = boosters.getStageNumber();
|
||||
config.setOnlyStage( boostNum);
|
||||
|
||||
// String treeDump = rocket.toDebugTree();
|
||||
// System.err.println( treeDump);
|
||||
|
||||
double overrideMass = 0.5;
|
||||
boosters.setMassOverridden(true);
|
||||
boosters.setOverrideMass(overrideMass);
|
||||
|
||||
boosters.setCGOverridden(true);
|
||||
boosters.setOverrideCGX(6.0);
|
||||
{
|
||||
// Validate Mass
|
||||
MassCalculator mc = new MassCalculator();
|
||||
//mc.debug = true;
|
||||
Coordinate boosterSetCM = mc.getCM( rocket.getSelectedConfiguration(), MassCalcType.NO_MOTORS);
|
||||
double calcTotalMass = boosterSetCM.weight;
|
||||
|
||||
double expTotalMass = overrideMass;
|
||||
assertEquals(" Booster Launch Mass is incorrect: ", expTotalMass, calcTotalMass, EPSILON);
|
||||
|
||||
double expCMx = 0.9615865040919498;
|
||||
double expCMx = 6.0;
|
||||
Coordinate expCM = new Coordinate( expCMx, 0, 0, expTotalMass);
|
||||
assertEquals(" Booster Launch CM.x is incorrect: ", expCM.x, boosterSetCM.x, EPSILON);
|
||||
assertEquals(" Booster Launch CM.y is incorrect: ", expCM.y, boosterSetCM.y, EPSILON);
|
||||
@ -486,20 +483,66 @@ public class MassCalculatorTest extends BaseTestCase {
|
||||
assertEquals(" Booster Launch CM is incorrect: ", expCM, boosterSetCM);
|
||||
|
||||
// Validate MOI
|
||||
double oldMass = 0.23590802751203407;
|
||||
double scaleMass = overrideMass / oldMass;
|
||||
//mc.debug = true;
|
||||
double expMOI_axial = .00144619 * scaleMass;
|
||||
double expMOI_axial = .00333912717;
|
||||
double boosterMOI_xx= mc.getRotationalInertia( config, MassCalcType.NO_MOTORS);
|
||||
assertEquals(" Booster x-axis MOI is incorrect: ", expMOI_axial, boosterMOI_xx, EPSILON);
|
||||
|
||||
double expMOI_tr = 0.01845152840733412 * scaleMass;
|
||||
double expMOI_tr = 0.142220231;
|
||||
double boosterMOI_tr= mc.getLongitudinalInertia( config, MassCalcType.NO_MOTORS);
|
||||
assertEquals(" Booster transverse MOI is incorrect: ", expMOI_tr, boosterMOI_tr, EPSILON);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testComponentMassOverride() {
|
||||
Rocket rocket = TestRockets.makeFalcon9Heavy();
|
||||
FlightConfiguration config = rocket.getSelectedConfiguration();
|
||||
rocket.setName("TestRocket."+Thread.currentThread().getStackTrace()[1].getMethodName());
|
||||
|
||||
ParallelStage boosters = (ParallelStage) rocket.getChild(1).getChild(1);
|
||||
int boostNum = boosters.getStageNumber();
|
||||
config.setOnlyStage( boostNum);
|
||||
|
||||
NoseCone nose = (NoseCone)boosters.getChild(0);
|
||||
nose.setMassOverridden(true);
|
||||
nose.setOverrideMass( 0.71 );
|
||||
|
||||
BodyTube body = (BodyTube)boosters.getChild(1);
|
||||
body.setMassOverridden(true);
|
||||
body.setOverrideMass( 0.622 );
|
||||
|
||||
InnerTube mmt = (InnerTube)boosters.getChild(1).getChild(0);
|
||||
mmt.setMassOverridden(true);
|
||||
mmt.setOverrideMass( 0.213 );
|
||||
|
||||
{
|
||||
// Validate Mass
|
||||
MassCalculator mc = new MassCalculator();
|
||||
Coordinate boosterSetCM = mc.getCM( rocket.getSelectedConfiguration(), MassCalcType.NO_MOTORS);
|
||||
double calcTotalMass = boosterSetCM.weight;
|
||||
|
||||
double expTotalMass = 4.368;
|
||||
assertEquals(" Booster Launch Mass is incorrect: ", expTotalMass, calcTotalMass, EPSILON);
|
||||
|
||||
double expCMx = 1.20642422735;
|
||||
Coordinate expCM = new Coordinate( expCMx, 0, 0, expTotalMass);
|
||||
assertEquals(" Booster Launch CM.x is incorrect: ", expCM.x, boosterSetCM.x, EPSILON);
|
||||
assertEquals(" Booster Launch CM.y is incorrect: ", expCM.y, boosterSetCM.y, EPSILON);
|
||||
assertEquals(" Booster Launch CM.z is incorrect: ", expCM.z, boosterSetCM.z, EPSILON);
|
||||
assertEquals(" Booster Launch CM is incorrect: ", expCM, boosterSetCM);
|
||||
|
||||
// Validate MOI
|
||||
double expMOI_axial = 0.0257485;
|
||||
double boosterMOI_xx= mc.getRotationalInertia( config, MassCalcType.NO_MOTORS);
|
||||
assertEquals(" Booster x-axis MOI is incorrect: ", expMOI_axial, boosterMOI_xx, EPSILON);
|
||||
|
||||
double expMOI_tr = 1.633216231;
|
||||
double boosterMOI_tr= mc.getLongitudinalInertia( config, MassCalcType.NO_MOTORS);
|
||||
assertEquals(" Booster transverse MOI is incorrect: ", expMOI_tr, boosterMOI_tr, EPSILON);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testCMOverride() {
|
||||
@ -511,23 +554,29 @@ public class MassCalculatorTest extends BaseTestCase {
|
||||
int boostNum = boosters.getStageNumber();
|
||||
config.setOnlyStage( boostNum);
|
||||
|
||||
//String treeDump = rocket.toDebugTree();
|
||||
//System.err.println( treeDump);
|
||||
|
||||
double overrideCMx = 0.5;
|
||||
boosters.setCGOverridden(true);
|
||||
boosters.setOverrideCGX(overrideCMx); // only allows x-axis corrections
|
||||
NoseCone nose = (NoseCone)boosters.getChild(0);
|
||||
nose.setCGOverridden(true);
|
||||
nose.setOverrideCGX(0.22);
|
||||
|
||||
BodyTube body = (BodyTube)boosters.getChild(1);
|
||||
body.setCGOverridden(true);
|
||||
body.setOverrideCGX( 0.433);
|
||||
|
||||
InnerTube mmt = (InnerTube)boosters.getChild(1).getChild(0);
|
||||
mmt.setCGOverridden(true);
|
||||
mmt.setOverrideCGX( 0.395 );
|
||||
|
||||
{
|
||||
// Validate Mass
|
||||
MassCalculator mc = new MassCalculator();
|
||||
//mc.debug = true;
|
||||
Coordinate boosterSetCM = mc.getCM( rocket.getSelectedConfiguration(), MassCalcType.NO_MOTORS);
|
||||
|
||||
double expMass = 0.23590802751203407;
|
||||
double expMass = BOOSTER_TOTAL_DRY_MASS_EACH;
|
||||
double calcTotalMass = boosterSetCM.weight;
|
||||
assertEquals(" Booster Launch Mass is incorrect: ", expMass, calcTotalMass, EPSILON);
|
||||
|
||||
double expCMx = overrideCMx; //0.9615865040919498;
|
||||
double expCMx = 1.38741685552577;
|
||||
Coordinate expCM = new Coordinate( expCMx, 0, 0, expMass);
|
||||
assertEquals(" Booster Launch CM.x is incorrect: ", expCM.x, boosterSetCM.x, EPSILON);
|
||||
assertEquals(" Booster Launch CM.y is incorrect: ", expCM.y, boosterSetCM.y, EPSILON);
|
||||
@ -535,11 +584,11 @@ public class MassCalculatorTest extends BaseTestCase {
|
||||
assertEquals(" Booster Launch CM is incorrect: ", expCM, boosterSetCM);
|
||||
|
||||
// Validate MOI
|
||||
double expMOI_axial = .00144619 ;
|
||||
double expMOI_axial = 0.00304203;
|
||||
double boosterMOI_xx= mc.getRotationalInertia( config, MassCalcType.NO_MOTORS);
|
||||
assertEquals(" Booster x-axis MOI is incorrect: ", expMOI_axial, boosterMOI_xx, EPSILON);
|
||||
|
||||
double expMOI_tr = 0.01845152840733412 ;
|
||||
double expMOI_tr = 0.1893499746;
|
||||
double boosterMOI_tr= mc.getLongitudinalInertia( config, MassCalcType.NO_MOTORS);
|
||||
assertEquals(" Booster transverse MOI is incorrect: ", expMOI_tr, boosterMOI_tr, EPSILON);
|
||||
}
|
||||
|
||||
@ -7,13 +7,6 @@ import static org.junit.Assert.assertTrue;
|
||||
|
||||
import org.junit.Test;
|
||||
|
||||
import net.sf.openrocket.motor.Manufacturer;
|
||||
import net.sf.openrocket.motor.Motor;
|
||||
import net.sf.openrocket.motor.MotorConfiguration;
|
||||
import net.sf.openrocket.motor.ThrustCurveMotor;
|
||||
import net.sf.openrocket.optimization.rocketoptimization.TestRocketOptimizationFunction;
|
||||
import net.sf.openrocket.rocketcomponent.RocketComponent.Position;
|
||||
import net.sf.openrocket.util.Coordinate;
|
||||
import net.sf.openrocket.util.MathUtil;
|
||||
import net.sf.openrocket.util.TestRockets;
|
||||
import net.sf.openrocket.util.BaseTestCase.BaseTestCase;
|
||||
@ -157,19 +150,12 @@ public class FlightConfigurationTest extends BaseTestCase {
|
||||
public void testConfigurationSwitching() {
|
||||
/* Setup */
|
||||
Rocket rkt = TestRockets.makeEstesAlphaIII();
|
||||
//FlightConfiguration config = rkt.getSelectedConfiguration();
|
||||
|
||||
InnerTube smmt = (InnerTube)rkt.getChild(0).getChild(1).getChild(2);
|
||||
System.err.println( smmt.toMotorDebug());
|
||||
|
||||
final String configDump= rkt.toDebugConfigs();
|
||||
System.err.println("configs:\n" +configDump);
|
||||
// final String treedump = rkt.toDebugTree();
|
||||
// System.err.println("treedump: \n" + treedump);
|
||||
|
||||
|
||||
//int actualMotorCount = smmt.getM
|
||||
//assertThat("number of motor configurations doesn't actually match.", actualMotorCount, equalTo(expectedMotorCount));
|
||||
int expectedMotorCount = 5;
|
||||
int actualMotorCount = smmt.getMotorCount();
|
||||
assertThat("number of motor configurations doesn't match.", actualMotorCount, equalTo(expectedMotorCount));
|
||||
|
||||
// test that all configurations correctly loaded:
|
||||
int expectedConfigCount = 5;
|
||||
|
||||
173
core/test/net/sf/openrocket/rocketcomponent/TransitionTest.java
Normal file
173
core/test/net/sf/openrocket/rocketcomponent/TransitionTest.java
Normal file
@ -0,0 +1,173 @@
|
||||
package net.sf.openrocket.rocketcomponent;
|
||||
|
||||
import static org.hamcrest.CoreMatchers.equalTo;
|
||||
import static org.junit.Assert.assertEquals;
|
||||
import static org.junit.Assert.assertThat;
|
||||
|
||||
import org.junit.Test;
|
||||
|
||||
import net.sf.openrocket.util.MathUtil;
|
||||
import net.sf.openrocket.util.TestRockets;
|
||||
import net.sf.openrocket.util.BaseTestCase.BaseTestCase;
|
||||
|
||||
public class TransitionTest extends BaseTestCase {
|
||||
protected final double EPSILON = MathUtil.EPSILON*1000;
|
||||
|
||||
@Test
|
||||
public void testVerifyConicNose(){
|
||||
NoseCone nose = new NoseCone(Transition.Shape.CONICAL, 0.06, 0.01);
|
||||
assertEquals("nose cone length is wrong ", 0.06, nose.getLength(), EPSILON );
|
||||
assertEquals("nose cone fore radius is wrong ", 0.00, nose.getForeRadius(), EPSILON );
|
||||
assertEquals("nose cone aft radius is wrong ", 0.01, nose.getAftRadius(), EPSILON );
|
||||
assertThat("nose cone shape type is wrong ", Transition.Shape.CONICAL, equalTo(nose.getType()));
|
||||
assertEquals("nose cone shape parameter is wrong ", 0.0, nose.getShapeParameter(), EPSILON );
|
||||
|
||||
assertEquals("bad shape - conical forward ", 0.0, nose.getRadius(0.00), EPSILON );
|
||||
assertEquals("bad shape - conical forward ", 0.0025, nose.getRadius(0.015), EPSILON );
|
||||
assertEquals("bad shape - conical forward ", 0.005, nose.getRadius(0.03), EPSILON );
|
||||
assertEquals("bad shape - conical forward ", 0.0075, nose.getRadius(0.045), EPSILON );
|
||||
assertEquals("bad shape - conical forward ", 0.01, nose.getRadius(0.06), EPSILON );
|
||||
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testVerifyForwardConicTransition(){
|
||||
Transition nose = new Transition();
|
||||
nose.setType( Transition.Shape.CONICAL);
|
||||
nose.setForeRadius( 0.5);
|
||||
nose.setAftRadius( 1.0);
|
||||
nose.setLength( 5.0);
|
||||
|
||||
assertEquals("nose cone length is wrong ", 5.0, nose.getLength(), EPSILON );
|
||||
assertEquals("nose cone fore radius is wrong ", 0.5, nose.getForeRadius(), EPSILON );
|
||||
assertEquals("nose cone aft radius is wrong ", 1.0, nose.getAftRadius(), EPSILON );
|
||||
assertThat("nose cone shape type is wrong ", Transition.Shape.CONICAL, equalTo(nose.getType()));
|
||||
assertEquals("nose cone shape parameter is wrong ", 0.0, nose.getShapeParameter(), EPSILON );
|
||||
|
||||
assertEquals("bad shape - conical forward transition", 0.5, nose.getRadius(0.0), EPSILON );
|
||||
assertEquals("bad shape - conical forward transition", 0.6, nose.getRadius(1.0), EPSILON );
|
||||
assertEquals("bad shape - conical forward transition", 0.7, nose.getRadius(2.0), EPSILON );
|
||||
assertEquals("bad shape - conical forward transition", 0.8, nose.getRadius(3.0), EPSILON );
|
||||
assertEquals("bad shape - conical forward transition", 0.9, nose.getRadius(4.0), EPSILON );
|
||||
assertEquals("bad shape - conical forward transition", 1.0, nose.getRadius(5.0), EPSILON );
|
||||
|
||||
}
|
||||
|
||||
|
||||
@Test
|
||||
public void testVerifyBackwardConicTransition(){
|
||||
Transition nose = new Transition();
|
||||
nose.setType( Transition.Shape.CONICAL);
|
||||
nose.setForeRadius( 1.0);
|
||||
nose.setAftRadius( 0.5);
|
||||
nose.setLength( 5.0);
|
||||
|
||||
assertEquals("nose cone length is wrong ", 5.0, nose.getLength(), EPSILON );
|
||||
assertEquals("nose cone fore radius is wrong ", 1.0, nose.getForeRadius(), EPSILON );
|
||||
assertEquals("nose cone aft radius is wrong ", 0.5, nose.getAftRadius(), EPSILON );
|
||||
assertThat("nose cone shape type is wrong ", Transition.Shape.CONICAL, equalTo(nose.getType()));
|
||||
assertEquals("nose cone shape parameter is wrong ", 0.0, nose.getShapeParameter(), EPSILON );
|
||||
|
||||
assertEquals("bad shape - conical forward transition", 1.0, nose.getRadius(0.0), EPSILON );
|
||||
assertEquals("bad shape - conical forward transition", 0.9, nose.getRadius(1.0), EPSILON );
|
||||
assertEquals("bad shape - conical forward transition", 0.8, nose.getRadius(2.0), EPSILON );
|
||||
assertEquals("bad shape - conical forward transition", 0.7, nose.getRadius(3.0), EPSILON );
|
||||
assertEquals("bad shape - conical forward transition", 0.6, nose.getRadius(4.0), EPSILON );
|
||||
assertEquals("bad shape - conical forward transition", 0.5, nose.getRadius(5.0), EPSILON );
|
||||
|
||||
}
|
||||
|
||||
|
||||
@Test
|
||||
public void testVerifyOgiveNoseCone(){
|
||||
Transition nose = new Transition();
|
||||
nose.setType( Transition.Shape.OGIVE);
|
||||
nose.setForeRadius( 0.0);
|
||||
nose.setAftRadius( 1.0);
|
||||
nose.setLength( 8.0);
|
||||
|
||||
assertEquals("nose cone length is wrong ", 8.0, nose.getLength(), EPSILON );
|
||||
assertEquals("nose cone fore radius is wrong ", 0.0, nose.getForeRadius(), EPSILON );
|
||||
assertEquals("nose cone aft radius is wrong ", 1.0, nose.getAftRadius(), EPSILON );
|
||||
assertThat("nose cone shape type is wrong ", Transition.Shape.OGIVE, equalTo(nose.getType()));
|
||||
assertEquals("nose cone shape parameter is wrong ", 1.0, nose.getShapeParameter(), EPSILON );
|
||||
|
||||
assertEquals("bad shape - conical forward transition", 0.0, nose.getRadius(0.0), EPSILON );
|
||||
assertEquals("bad shape - conical forward transition", 0.23720214511, nose.getRadius(1.0), EPSILON );
|
||||
assertEquals("bad shape - conical forward transition", 0.44135250736, nose.getRadius(2.0), EPSILON );
|
||||
assertEquals("bad shape - conical forward transition", 0.61308144666, nose.getRadius(3.0), EPSILON );
|
||||
assertEquals("bad shape - conical forward transition", 0.75290684574, nose.getRadius(4.0), EPSILON );
|
||||
assertEquals("bad shape - conical forward transition", 0.86124225056, nose.getRadius(5.0), EPSILON );
|
||||
assertEquals("bad shape - conical forward transition", 0.93840316661, nose.getRadius(6.0), EPSILON );
|
||||
assertEquals("bad shape - conical forward transition", 0.98461174156, nose.getRadius(7.0), EPSILON );
|
||||
assertEquals("bad shape - conical forward transition", 1.0, nose.getRadius(8.0), EPSILON );
|
||||
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testVerifyForwardOgiveTransition(){
|
||||
Transition nose = new Transition();
|
||||
nose.setType( Transition.Shape.OGIVE);
|
||||
nose.setForeRadius( 0.44135);
|
||||
nose.setAftRadius( 1.0);
|
||||
nose.setLength( 6.0);
|
||||
|
||||
assertEquals("nose cone length is wrong ", 6.0, nose.getLength(), EPSILON );
|
||||
assertEquals("nose cone fore radius is wrong ", 0.44135, nose.getForeRadius(), EPSILON );
|
||||
assertEquals("nose cone aft radius is wrong ", 1.0, nose.getAftRadius(), EPSILON );
|
||||
assertThat("nose cone shape type is wrong ", Transition.Shape.OGIVE, equalTo(nose.getType()));
|
||||
assertEquals("nose cone shape parameter is wrong ", 1.0, nose.getShapeParameter(), EPSILON );
|
||||
|
||||
assertEquals("bad shape - conical forward transition", 0.44135250736, nose.getRadius(0.0), EPSILON );
|
||||
assertEquals("bad shape - conical forward transition", 0.61308144666, nose.getRadius(1.0), EPSILON );
|
||||
assertEquals("bad shape - conical forward transition", 0.75290684574, nose.getRadius(2.0), EPSILON );
|
||||
assertEquals("bad shape - conical forward transition", 0.86124225056, nose.getRadius(3.0), EPSILON );
|
||||
assertEquals("bad shape - conical forward transition", 0.93840316661, nose.getRadius(4.0), EPSILON );
|
||||
assertEquals("bad shape - conical forward transition", 0.98461174156, nose.getRadius(5.0), EPSILON );
|
||||
assertEquals("bad shape - conical forward transition", 1.0, nose.getRadius(6.0), EPSILON );
|
||||
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testVerifyBackwardOgiveTransition(){
|
||||
Transition nose = new Transition();
|
||||
nose.setType( Transition.Shape.OGIVE);
|
||||
nose.setForeRadius( 1.0);
|
||||
nose.setAftRadius( 0.44135);
|
||||
nose.setLength( 6.0);
|
||||
|
||||
assertEquals("nose cone length is wrong ", 6.0, nose.getLength(), EPSILON );
|
||||
assertEquals("nose cone fore radius is wrong ", 1.0, nose.getForeRadius(), EPSILON );
|
||||
assertEquals("nose cone aft radius is wrong ", 0.44135, nose.getAftRadius(), EPSILON );
|
||||
assertThat("nose cone shape type is wrong ", Transition.Shape.OGIVE, equalTo(nose.getType()));
|
||||
assertEquals("nose cone shape parameter is wrong ",1.0, nose.getShapeParameter(), EPSILON );
|
||||
|
||||
assertEquals("bad shape - conical forward transition", 1.0, nose.getRadius(0.0), EPSILON );
|
||||
assertEquals("bad shape - conical forward transition", 0.98461174156, nose.getRadius(1.0), EPSILON );
|
||||
assertEquals("bad shape - conical forward transition", 0.93840316661, nose.getRadius(2.0), EPSILON );
|
||||
assertEquals("bad shape - conical forward transition", 0.86124225056, nose.getRadius(3.0), EPSILON );
|
||||
assertEquals("bad shape - conical forward transition", 0.75290684574, nose.getRadius(4.0), EPSILON );
|
||||
assertEquals("bad shape - conical forward transition", 0.61308144666, nose.getRadius(5.0), EPSILON );
|
||||
assertEquals("bad shape - conical forward transition", 0.44135250736, nose.getRadius(6.0), EPSILON );
|
||||
|
||||
|
||||
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testStockIntegration(){
|
||||
Rocket rocket = TestRockets.makeEstesAlphaIII();
|
||||
NoseCone nose = (NoseCone)rocket.getChild(0).getChild(0);
|
||||
|
||||
assertEquals("Alpha3 nose cone length is wrong ", 0.07, nose.getLength(), EPSILON );
|
||||
assertEquals("Alpha3 nose cone fore radius is wrong ", 0.00, nose.getForeRadius(), EPSILON );
|
||||
assertEquals("Alpha3 nose cone aft radius is wrong ", 0.012, nose.getAftRadius(), EPSILON );
|
||||
assertThat("Alpha3 nose cone shape type is wrong ", Transition.Shape.OGIVE, equalTo(nose.getType()));
|
||||
assertEquals("Alpha3 nose cone shape parameter is wrong ", 1.0, nose.getShapeParameter(), EPSILON );
|
||||
|
||||
assertEquals("Alpha3 nose cone aft shoulder length is wrong ", 0.02, nose.getAftShoulderLength(), EPSILON );
|
||||
assertEquals("Alpha3 nose cone aft shoulder radius is wrong ", 0.011, nose.getAftShoulderRadius(), EPSILON );
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
Loading…
x
Reference in New Issue
Block a user